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ACPI: thinkpad-acpi: add UWB radio support

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Add rfkill support for USB UWB radio devices on very recent ThinkPad
laptop models.

The new subdriver is moslty a trimmed down copy of the wwan subdriver.

Signed-off-by: Henrique de Moraes Holschuh <[email protected]>
Cc: Ivo van Doorn <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Henrique de Moraes Holschuh 2009-01-11 03:01:03 -02:00 • committed by Len Brown
commit 0045c0aa7d
2 changed files with 223 additions and 1 deletions
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18
Documentation/laptops/thinkpad-acpi.txt
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@ -1413,6 +1413,24 @@ Sysfs notes:
rfkill controller switch "tpacpi_wwan_sw": refer to
Documentation/rfkill.txt for details.
EXPERIMENTAL: UWB
-----------------
This feature is marked EXPERIMENTAL because it has not been extensively
tested and validated in various ThinkPad models yet. The feature may not
work as expected. USE WITH CAUTION! To use this feature, you need to supply
the experimental=1 parameter when loading the module.
sysfs rfkill class: switch "tpacpi_uwb_sw"
This feature exports an rfkill controller for the UWB device, if one is
present and enabled in the BIOS.
Sysfs notes:
rfkill controller switch "tpacpi_uwb_sw": refer to
Documentation/rfkill.txt for details.
Multiple Commands, Module Parameters
------------------------------------